Christmas advent calendar book



FIG. 1 is a perspective view of a Christmas Advent calendar book showing my new design in open status;

FIG. 2 is a rear perspective view in closed status;

FIG. 3 is front view in open status;

FIG. 4 is back view in open status;

FIG. 5 is a right side view in open status;

FIG. 6 is a left side view in open status;

FIG. 7 is a top view in open status; and

FIG. 8 is a bottom view t in open status; and

FIG. 9 is a right side view in closed status;

FIG. 10 is a left side view in closed status;

FIG. 11 is a top view in closed status; and,

FIG. 12 is a bottom view in closed status.

The broken lines in the drawing depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a Christmas Advent calendar book, as shown and described. 